package com.hxzy.service.impl;

import com.hxzy.service.FilmService;
import entity.Film;

import java.util.Optional;

public class FilmServiceImpl implements FilmService {
    @Override
    public int insert(Film film) {
        return 0;
    }

    @Override
    public int updateByPrimaryKey(Film film) {
        return 0;
    }

    @Override
    public int deleteByPrimaryKey(Integer id) {
        return 0;
    }

    @Override
    public Optional<Film> selectByPrimaryKey(Integer id) {
        return Optional.empty();
    }
}
